Use domain iso3166-1 instead of iso3166 to translation countries

pycountry has removed the iso3166.mo file in version 23.12.7 but the
iso3166-1.mo exists since version 16.11.8.

Closes #13617

modules/country/scripts/import_countries.py

@@ -443,7 +443,7 @@ def translate_countries(countries):
     for code in _get_language_codes():
         try:
             gnutranslation = gettext.translation(
-                'iso3166', pycountry.LOCALES_DIR, languages=[code])
+                'iso3166-1', pycountry.LOCALES_DIR, languages=[code])
         except IOError:
             continue
         print("Update countries %s" % code, file=sys.stderr)

modules/country/setup.py

@@ -50,7 +50,7 @@ for dep in info.get('depends', []):
         requires.append(get_require_version('trytond_%s' % dep))
 requires.append(get_require_version('trytond'))
 
-tests_require = [get_require_version('proteus'), 'pycountry']
+tests_require = [get_require_version('proteus'), 'pycountry >= 16.11.8']
 
 setup(name=name,
     version=version,
@@ -122,7 +122,7 @@ setup(name=name,
     python_requires='>=3.8',
     install_requires=requires,
     extras_require={
-        'data': ['pycountry', get_require_version('proteus')],
+        'data': ['pycountry >= 16.11.8', get_require_version('proteus')],
         'test': tests_require,
         'GeoNames': [get_require_version('proteus')],
         'completion': ['argcomplete'],